Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
The packing effiency of the two dimensional square unit cell shown below is (a) 39.27% (b) 68.02% (c) 74.05% (d) 78.54 %
17
Dec
The packing effiency of the two dimensional square unit cell shown below is (a) 39.27% (b) 68.02% (c) 74.05% (d) 78.54 % The packing effiency of the two dimensional square unit cell shown below is (a) 39.27% (b) 68.02% (c) 74.05% (d) 78.54 % December 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Read the following statement and explanation and answer as per the options given below: Assertion : In any ionic solid [ MX ] with Schottky defects, the number of positive and negative ions are same. Reason: Equal number of cation and anion vacancies are present.
17
Dec
Read the following statement and explanation and answer as per the options given below: Assertion : In any ionic solid [ MX ] with Schottky defects, the number of positive and negative ions are same. Reason: Equal number of cation and anion vacancies are present. Read the following statement and explanation and answer as per [...]
A metallic crystal crystallizes into lattice containing a sequence of layers AB. AB. AB……. The percentage of free space in this lattice is
17
Dec
A metallic crystal crystallizes into lattice containing a sequence of layers AB. AB. AB……. The percentage of free space in this lattice is A metallic crystal crystallizes into lattice containing a sequence of layers AB. AB. AB....... The percentage of free space in this lattice is December 17, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
In Na2O having antifluorite structure (a) Oxide ions have a cubic close packed arrangement and Na+ occupy all the eight tetrahedral voids (b) Oxide ions have a cubic close packed arrangement and Na+ occupy all the octahedral voids (c) Na+ ions have a cubic close packed arrangement and O2− occupy all the octahedral voids (d) Na+ ions have a cubic close arrangement and O2− occupy all the tetrahedral voids.
17
Dec
In Na2O having antifluorite structure (a) Oxide ions have a cubic close packed arrangement and Na+ occupy all the eight tetrahedral voids (b) Oxide ions have a cubic close packed arrangement and Na+ occupy all the octahedral voids (c) Na+ ions have a cubic close packed arrangement and O2− occupy all the octahedral voids (d) [...]
Which has no rotation of symmetry (a) Hexagonal (b) Orthorhombic (c) Cubic (d) Triclinic
17
Dec
Which has no rotation of symmetry (a) Hexagonal (b) Orthorhombic (c) Cubic (d) Triclinic Which has no rotation of symmetry (a) Hexagonal (b) Orthorhombic (c) Cubic (d) Triclinic December 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Amorphous solids are (a) Solid substance in real sense (b) Liquid in real sense (c) Supercooled liquid (d) substance with definite melting point
17
Dec
Amorphous solids are (a) Solid substance in real sense (b) Liquid in real sense (c) Supercooled liquid (d) substance with definite melting point Amorphous solids are (a) Solid substance in real sense (b) Liquid in real sense (c) Supercooled liquid (d) substance with definite melting point December 17, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
Which of the following molecules has three- fold axis of symmetry (a) NH3 (b) C2H4 (c) CO2 (d) SO2
17
Dec
Which of the following molecules has three- fold axis of symmetry (a) NH3 (b) C2H4 (c) CO2 (d) SO2 Which of the following molecules has three- fold axis of symmetry (a) NH3 (b) C2H4 (c) CO2 (d) SO2 December 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The basic building unit of all silicates is (a) SiO4 square planar (b) [SiO4]^4- tetrahedron (c) SiO4 octahedron (d) SiO4 linear
17
Dec
The basic building unit of all silicates is (a) SiO4 square planar (b) [SiO4]^4- tetrahedron (c) SiO4 octahedron (d) SiO4 linear The basic building unit of all silicates is (a) SiO4 square planar (b) [SiO4]^4- tetrahedron (c) SiO4 octahedron (d) SiO4 linear December 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Which of the following is a three dimensional silicate (a) Mica (b) Spodumene (c) Zeolite (d) None of these
17
Dec
Which of the following is a three dimensional silicate (a) Mica (b) Spodumene (c) Zeolite (d) None of these Which of the following is a three dimensional silicate (a) Mica (b) Spodumene (c) Zeolite (d) None of these December 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Silicon is found in nature in the form of (a) Body centred cubic structure (b) Hexagonal close – packed structure (c) Network solid (d) Face centred cubic structure
17
Dec
Silicon is found in nature in the form of (a) Body centred cubic structure (b) Hexagonal close – packed structure (c) Network solid (d) Face centred cubic structure Silicon is found in nature in the form of (a) Body centred cubic structure (b) Hexagonal close - packed structure (c) Network solid (d) Face centred cubic [...]